Phone CheckerReal or copy?
Is that Samsung Galaxy J4 original?
Copies of the Galaxy J4 look right and even say Galaxy J4 in Settings. The hardware inside doesn't lie. Check it on the phone itself in 20 seconds, before you pay.
- 6 things a copy gets wrong
- 20 s on the phone itself
- Be the first to check one here
Real Galaxy J4 vs a copy
| A real Galaxy J4 | A typical copy | |
|---|---|---|
| Model code | ✓SM-J400F, SM-J400G, SM-J400M | ✕A different code, or "GALAXY J4" typed in its place |
| Graphics chip | ✓Mali-T720 | ✕A cheaper chip: it can't be swapped, so it gives the phone away |
| RAM | ✓2 GB or more | ✕Less, whatever Settings says |
| Screen | ✓720 px wide | ✕A lower resolution panel |
| Android | ✓8 or newer | ✕An older Android with a newer skin |
| Storage | ✓What Settings shows matches what fits | ✕A made-up size: 512 GB on a phone that holds 16 |
The Galaxy J4's figures come from its launch specs and are confirmed as genuine ones are checked here.
Check one in 20 seconds
- Open the site on the phone you're buying. Type ogphonechecker.com into its browser, or scan our code with its camera.
- Tap "Check this phone". Keep the screen on while it reads the hardware.
- Read the verdict. Original, or exactly what doesn't match a real Galaxy J4. Then test the screen, cameras and sound, and that it's Google free.
Checked here
None yet. Be the first: every Galaxy J4 checked confirms what genuine ones show, so the next buyer's check is surer.
Software: Android 8 and up
A Galaxy J4 showing Android older than 8 isn't what it says.
Galaxy J4 or Galaxy J4+?
Sellers mix these up, by mistake or on purpose. If the seller says one and the check says the other, believe the check.
| Galaxy J4 | Galaxy J4+ | |
|---|---|---|
| Model code | SM-J400F, SM-J400G | SM-J415F, SM-J415FN |
| Graphics chip | Mali-T720 | Adreno 308 |
| RAM | 2 GB+ | 2 GB+ |
| Screen | 720 px | 720 px |
| Came with | Android 8 | Android 8 |
Questions people ask
What model number is the Galaxy J4?
A real Samsung Galaxy J4 reports SM-J400F or SM-J400G or SM-J400M. In Chrome, Phone Checker reads it from the phone itself, so a copy can't hide behind Settings.
How much RAM does the Galaxy J4 have?
At least 2 GB in the smallest version sold. A copy often has less, whatever its Settings say.
Which Android versions does the Galaxy J4 run?
It came with Android 8. A version older than 8 means a different phone.
How do I know if my Galaxy J4 is original?
Open ogphonechecker.com on the phone itself and tap Check this phone. In about 20 seconds it compares the model code, graphics chip, RAM and screen with a real Galaxy J4, for free.